The only one he knew would challenge his mind, as well as his sexuality.

But more singers should because they challenge a musician's mind.

Hint: Be active, challenge your mind, and build healthy relationships.

Now that she's challenging her mind, the skating has become a joy again.

"Aunt Bonnie says you don't see enough women, especially women who challenge your mind."

The way she'd unconsciously drop that careful shield whenever something challenged her mind.

You need someone who challenges your mind, who makes you scream in bed.

How is it that you challenge my mind as well as my heart?

Yes, the radiation suit sounded fascinating, and it was exactly the kind of thing that would challenge her mind.

"With over 1,000 playgrounds in the city, we should have at least one that primarily challenges a child's mind."